Engine



FIG. 1 is a perspective view of an engine of my design;

FIG. 2 is an elevational view of one side of the engine;

FIG. 3 is an elevational view of the other side of the engine;

FIG. 4 is a front elevational view of the engine;

FIG. 5 is a rear elevational view of the engine;

FIG. 6 is a top plan view of the engine; and,

FIG. 7 is a bottom plan view of the engine.

The broken lines in the foregoing figures are shown for illustrative purposes only and form no part of the invention in the figures in which they appear. 

The ornamental designs for an engine, as shown and described. 